Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information und » informations und
development 2.1 » development 1
und reelle » und rolle, und reale, und quelle
2.1 areas » 2.10 areas, 2.1 area, 2.4 areas
costs a » costs _, costs 4

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien aids information und reelle face communication costs a development 2.1 areas.*.